{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "293",
    "entityType": "User",
    "nonce": "0x72fd6c13bf79c06caa023a8732f97578246452fba7454287484961a5231fd46f",
    "signature": "0xc40b60e92b87fad7ebdc762ad7e1df5212c56d27e75f585022f10e0650026072704f2f77ba03710cd2b24a9d4926380421916a7cf9ebb6881c8cdeeaf7e4d0e51c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}