{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x69d8fc182d4844ad7a07cc4fb17148a26bbd31b9f9b9b81d58a115800fd3141b",
    "signature": "0x122dc032dfae106fc9e35937a2c8c0e724f8683c5cd3c0038b0aa84896555b7670c26deb51cd3351d4a2a6b7b1c2928801a9d59eb366aab98f6cde166d4d1d4e1b",
    "signer": "0x1c2B7030474cD7eD157833aCbA6053665090ABF4",
    "userId": "449208082"
  }
}