{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "855326662",
    "entityType": "User",
    "nonce": "0x3f615e58706bbbc2863c869cc66f30b28b9b102fa9324134768201c365095343",
    "signature": "0x7047ccc94903911529eebc0da39f4f335630c0c0c489f3eeb554da6077bfe5176c2dd05b7e83d4c1f6afb9e846f29cc723d7989ef42e8790caef4d47938803e01c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}