{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55875",
    "entityType": "User",
    "nonce": "0xe834dd1ae4bb19f10b3b74eb8a8d34035871f29ddfda01a9382e81b7c128010e",
    "signature": "0xb281182b7456fde4ef3728c312e569253b60f9ba2a8db204c6e19540c58848113eb11c4d7c52370651bee3de899ddbac1f90e4b6e8031bd75893678ffb44e2f11b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}