{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x1ace0d9979f2b7da315a2fb2c2192eda1a6833a5272332ca325602989647e56e",
    "signature": "0x3a0ecee49c6b7d1a1e099eff053a9e2bdd3d166af1d92d58672eefd760a3740d395f33cc475c2981c31a7e6cf2ab5359a8d16fb8227664aa528a89404e7241771b",
    "signer": "0x53d216C674F2a330cE48F25b556d4339bcf6515c",
    "userId": "448697058"
  }
}