{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x79d8b70206cf477d95425738df60c0563c910bb9e8d7bbddf0efe714fff70bfe",
    "signature": "0xbd424ddc6552df3fb88713a9c470c54fab2b5613530805c1855d6faa8c316d7b6b57582fe195d16de04a572ed6a43c08375da104b09edf0cff556a7836768aaf1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}