{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "985810924",
    "entityType": "User",
    "nonce": "0xb068fff1ae2569bcde6a40fb740f194a623049a7410759dc51deff94c0504c20",
    "signature": "0x6c672c610a4bdbb60614abd9a8554532897a4d75a46251cafa9bfe591c23a50a6dcf9d5e14527826f83f152019edd72a55386b66e1fb50cfc53bab5c3f133cac1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}