{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10760",
    "entityType": "User",
    "nonce": "0x14faee9a8a22270c1c55562cab71e846a7317e7160e3b60c9ec45942a35bf2c8",
    "signature": "0x18659b62304d29122a6174e8da6e93c67dbb8b7ee992ca416505bc3500129d2648749e84b6df93a9a784c72d2c9ec3e33fb19be66458bfa302d83ea8238e77861c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}