{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4fcfebfcd6dde8f991d4f41556c7c52fb472a56d643451c549c68682a53867dc",
    "signature": "0x3afa2b7a58e58b840dfa6fa7e8a769de2e444cb511972e93d6729aee8ff5c2cb49bef1f6c7b38c7830e10535f5db1b06c366559e8bac134acd0cd1bca9e936e51c",
    "signer": "0xb11A87421a60283b875d2F958D27356167224eF2",
    "userId": "858465138"
  }
}