{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "957024793",
    "entityType": "User",
    "nonce": "0x1013e9e2f59ad48eb488966680712a7f8816797407eed1f6891016c813ca7ad9",
    "signature": "0x803ff5d44ca1e623141a969a05e2c86c49f326e0cdf6668811599763c762fab670507d17604fa3d6e178c8e5fe3cb0595d84c4ded5b2ebd7bffaccbd08904aa71c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}