{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0ab5adba132c27c4c142e9829e5efdace4754d5005c446ddac00892ddb6daa1e",
    "signature": "0x8497c082edaf6f20682c0999f5c510f8ccd08106a280b7e7137a9e6b686b91097785294b6c2b1c3d5c61c1193853375123d5ff9d177db20d497830294ad4f4251b",
    "signer": "0xbed8c611580212803959E82206b5dad2F471C3a4",
    "userId": "803610546"
  }
}