{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16166",
    "entityType": "User",
    "nonce": "0xc9cfcd86494a02e4106b352eaa0346a33935ffbb6e0e62741c2b3685877e9ab5",
    "signature": "0x475f38fba6071acaa8497d7eb848bd1d2161b46af7ec204d07150013e826867e3c1df3953ae29a7ee0f2b1b426f140fde3f6c8d56075b1b30a9a9fdb915b3dea1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}