{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119723",
    "entityType": "User",
    "nonce": "0xc1a33c6c6f63c1a231a058428df37eea0f7d45ef5affd108569777d129b23cb7",
    "signature": "0xdddcdd34ff548d96f265110877289014eb4d73ecb5dcd4c7b7e88c9a9814e95004fd7022ef370c4874eaec6b443994d50661a72cce21f64952680f2dd0beaa3a1b",
    "signer": "0xDDCce44d487ED1f7297d836241df35AAB6D867b0",
    "userId": "22610281"
  }
}