{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9c0ea29ed7fa110933bfa10fa23b8b251b1110f5befcdd4488180d8a499c224e",
    "signature": "0x17972ba189a115d8eaa1a93a5c8e2a072857bf12812d65bca6d5d2670813ea1c1139ef7dafdfe4f4817fed9636ae71cc8e4eb091157aaef3a6f793238154431f1b",
    "signer": "0x84aCc9ff60687DF553FA324f15af9ff40F2088c5",
    "userId": "32473722"
  }
}