{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "776087",
    "entityType": "User",
    "nonce": "0x8a8bfaf014fdba97f1e1a69d9222a8a437461a72c28c71be4cdd9e762058c5d4",
    "signature": "0x2ac0660dcb45b8cb8b08e5c196cd54e15addecbf5033514225227c81c66402386bf1095f55701005dab28362386c0860900af1ebe67d9ec73245c902ad358df41c",
    "signer": "0x854c4A8686DBF9495A2D65244b72C4A0c30628d9",
    "userId": "920432305"
  }
}