{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x85d9dfb53a3f680b75ddb56da6ff4c8c2b6a7ade2cb697152de467a762b6c55b",
    "signature": "0xe8029cb01d1dbf6e5573d3690f7415c1471d2ae93466f17b1764ffba552f26b0050f0f66f171fa5ae280912f2d3defac9c01598d9db27ed48ba1944d3d024f0f1b",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}