{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x1488d26a5f50d84455534b3cece36b486d6b556e34ba41b0ca38f7d1e6a57552",
    "signature": "0x7dc2176fac40db2cd0fd53eb4caae8512c068f326774842dcc951f50d94b22e3712ec6676b899a771100b8be9d58fb0edbd9e53b2772ef4d0712f24e310184a51b",
    "signer": "0x7Ea9594EaD41B11D4538eeD615550Ee3A0D88A5a",
    "userId": "809897082"
  }
}