{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3359",
    "entityType": "User",
    "nonce": "0xc654d26dc80e28571ee5cc41a64784058dd5aec7e34adf2df3629966c1a74fb8",
    "signature": "0x2be1bd0a8c0e54666a2759ae904c4ca2f4a2fa31cf6f0a729dbdc57df441c7703b7fd02e54d904093ddb18601acfec45ad4c5ec3c52eb348a30029441d33fa0b1c",
    "signer": "0x738Fb353b57EdB4d1f33c0049D33b204243db2ad",
    "userId": "693463302"
  }
}