{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205511",
    "entityType": "User",
    "nonce": "0xe2bfbbec548a8bbbe458b49be61d64bcb62209aa2aa6255c083401fb82ca50ce",
    "signature": "0x79c4f0a0669b970ec4932eb9bc114afe4c130f78c1623fc473cbcd54b23caa7e7fbe6b2fac6e06d09c6441eeab4569e89abe89b4114ce7335838b2e0063218c41c",
    "signer": "0x28fC8B4966Ce6368CED67496DaeF648ddE50bC1F",
    "userId": "159809481"
  }
}