{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1880653",
    "entityType": "User",
    "nonce": "0xc7e96f1132a1e6c54882ccab228f90445dea0e4bf1ee58ce1332b39dc6ebfce4",
    "signature": "0x093f72c9fac3a05a6abbd10402cd9af02b9b44f1a9b50ece501777f79c235d593647d41516bfb2bd1b91d9dd308f8d4ae9b7c5c9f1e7207398838f077004c81d1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}