{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "717445",
    "entityType": "User",
    "nonce": "0xcf057f3ef373c1489c88121730ee4ce1a274e0258319f34ab0681dcc3e90e935",
    "signature": "0x776c19411633c7737874915bedd023980ed759c6cbe8b0910c433617fd75d3393110f9fd7fbf94d9326dcd2dfcdd1dd958074687c8d065a8142f605c149da8be1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}