{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "685453",
    "entityType": "User",
    "nonce": "0x582038a9df1576bef11e5c8221e0e00e3b58af40c5b750d9ce4972c3143c22d9",
    "signature": "0x4dea43d3f76ff7fd3254a8435b65ad8e962b8079e0dcffd7fb9ab45a16719a341291468070eeb07aa6d1928a6c47dce0dcdf76ce613384309868fe1b9c0474c21b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}