{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe1dca3076cd5d116b8fbed10ee4c49b237f7336fa69cafc4b829452a5395c749",
    "signature": "0xed913283d957c5ecfa3a4744081832629ce663e8fd6ea8832b985d191273c3e349eea3d3bac99b3f923658fd091cd88501dea79726874bb7ab518cffac2ad8111c",
    "signer": "0x766E1665d4bB9114Ee8a0DA1D8EBD12797f038fc",
    "userId": "402574593"
  }
}