{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22128795",
    "entityType": "User",
    "nonce": "0x1066367c4a68b2261c745092b2eaffcebe5d289d398a6e28682159f598bf152e",
    "signature": "0x8973ade5e7582f30c07278f01738a901930bc8dde55cff176e2c9d9af6e3d07c6189d25f5bed646c65d8efd416580b0e537a032ae590cc4b368d9c853c6d44831c",
    "signer": "0x02e544bf39dE2c9D6a681f40FCB033569EBe84bD",
    "userId": "412824318"
  }
}