{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203752",
    "entityType": "User",
    "nonce": "0x1630f32c008c02fb6ba01cf20087bf337498cdd254b7335bd81470e446a5cfd0",
    "signature": "0x3adcc342621c1e199cb5e0f2615cdc68e0b8b61ed2cba7e456273ec3b80589304cce4a50f1af9c3b1236528ffafd2a3b451bb648f7c2f8abce5032fa737e3a091c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}