{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x8a095db83609206a72896ace5cbb5c54356ae128eb919c7a8948fdb7d807b429",
    "signature": "0x898316038914245fda93fe30c0abac27c03a2e6281d0a6015c7fa8ef202218841aa45c112ed2b72b83662266c9d10b0c65f56d9bbb92e714ec9682dd7b10126c1b",
    "signer": "0x2A04Bbd7188b24482Fa0e0CaFDf6Cf5F5c64e4E5",
    "userId": "33865540"
  }
}