{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "718057139",
    "entityType": "User",
    "nonce": "0x6e9d3a4e62ef81344da0d9885e65d0fe72cdb1c581ecd54ff5682e187dfb122e",
    "signature": "0xb94f09698aac3a432727ca58457228fcabf4bd47b4e66665178f395aee7ffd626e2fcdab380010417e2a61450962415593b898fead08415cab2fe024ba585b901b",
    "signer": "0xD1bE3a5285936339B5F1dfddA1091cD6c98fDbD6",
    "userId": "617767559"
  }
}