{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0xf71802515f4edc0af10ca728761634eb4f6e271affb78b53b65b0001ae1a1eae",
    "signature": "0x273cb7a944803486352face7030dcb0a74201ecdb1a476011029bc51ecf9d2ea1ed74cb5f92fecc0304082ed7a5c7081762a509d63284ee9a19a39eb81445c061b",
    "signer": "0x61ea441D4688a4338ce4Cd94Dcc6Fe22baa6dD06",
    "userId": "850464732"
  }
}