{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "823613833",
    "entityType": "User",
    "nonce": "0xb585f5d587046000c5d9b1b27b8864d593d2bfa5b3f9ce6ec387aa4c07ecdcfc",
    "signature": "0x743d0003d84c8573823312d56c7a7a50ce98a15ad569e644e48d10c50c06f356698fa491bb38f7525156f1426d782655706975fb1c84bba66ab77505f17ba4161c",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}