{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584724126",
    "entityType": "User",
    "nonce": "0x9fb46d30346feb04530e5847f1b3fae3c6c0b32e0b32595c4eb276846652eb22",
    "signature": "0x5b25218d7e4835ce0aa8d5c7790f956bc9247259be448b00510f30c59c76980265b160bd9544fcfc99b931a59f0a5c20dab4983fd422771a1f81b765ea8b31011c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}