{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe12adac6ee199f9d4bd8a09c6701e16c42029a41afb58b92c2ed7d181b95acdc",
    "signature": "0xd85e3cb98f4c3520827fef99dc2a7e56646a0a569347009191f8c0959564dd406534292cc054e08580d9f2220f4c2f1a1100fb39b6e7d01028ca30d1f3a226671c",
    "signer": "0xa035A9ed82a575E29DdA903Eb410Ee4C11Ceb263",
    "userId": "594729949"
  }
}