{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120776",
    "entityType": "User",
    "nonce": "0x8fc76bba81ae9fcc0cf4d053b2466bd2657ff37de38e0733d283c653718772a3",
    "signature": "0xb6268155eacde4954985944d8b15e008039415c1f7e2e96050e720c83880863117609a27bb7ef37759c0930aac29b8afbab264a21ea3d5ce2360a180c8ede9671c",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}