{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68907",
    "entityType": "User",
    "nonce": "0x10c791159198b8eb9882c6c4c55c365f43c3aa983e4ad76ffb931c9dd38425d9",
    "signature": "0xa164f09e23188e1ba24bf523bea2cae04c4c431f1e73125667665950685e6cce2fe905374ec5d522e9e762ae80a988f8250ac05797377c82821717725aba2f1d1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}