{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141830",
    "entityType": "User",
    "nonce": "0xa3858f216d17810b5e3b302741d855396e4a50958add8c5eb4d1259c37b1df2e",
    "signature": "0x5b6245aaafabbc4bff78362e93467a0b2401116229d9c74342f04cd2a2818706097b906b6beba5c5f92135ebfa5f563fcd6b1c30c90f9575fa657df91b57ca211c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}