{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296833",
    "entityType": "User",
    "nonce": "0x050565413964de407e061dda6e31bb0ee45a9e92dd03dce252efdfb600656bbf",
    "signature": "0xacc702849cd3e9c482d632e99fe26fbf55ff6cf972a7693f031aa23f68cf39977cadad7d29a37f8a65518565befa9ac75b14a32711da6073d485e1e40bf268751c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}