{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51425",
    "entityType": "User",
    "nonce": "0xced8dcf6c811c182e9f3d69a4f415484eac070cb19bd66c38b0a8dcdcb60d379",
    "signature": "0xad9ffce01539a105c3ade792f19ed9c1498f85b5e7ed41bf83229f9a2b4b78d551e46d5b78b2d3bb47b8cb3018e4f0e9a8f754910373f4e78adbcba54669dde91b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}