{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "843",
    "entityType": "User",
    "nonce": "0x56ad0f8ab0867a67042912644bde272c8d527186168a9283bbe0af7f67a1783f",
    "signature": "0x443474aeb8a98073e52d5f45b7e0b03c8e23b7b2ae5ed2860d7b7f27318ab6a67a8338330a82626ce6a2a67ee92ba2877817c70b83bbcf43c33eb5e3e52d67751b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}