{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281227",
    "entityType": "User",
    "nonce": "0x7ac86f74afc8b7100126d823464d36064cd9efacfcc108cd678a7a16415a8e2a",
    "signature": "0xb75a5a8b12fb5fbf27ec16e6958353c3de8580b4e562d3f93ec5c959633b06520b94f2db1a836b9a11a2e0b7bcd2496b535309cafba068c30c34f4c2e3c7abe71b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}