{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1967218",
    "entityType": "User",
    "nonce": "0x65b4df134ea668e1a836b1e4eaad1f890a1d8307a1670e30ed2352484ab7cf01",
    "signature": "0xfda3d62b7021fa5c30a7d13922b52e8247fdb94229b7b5d5176c99d5010f85cc1c64bf81f4975b823699ebafeedcabcb03fdb251df684328494cbc4a1146ac761c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}