{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319061684",
    "entityType": "User",
    "nonce": "0x1c5b1339f6302fa54779a79858ebd44438e07c666e60c2d51b6a23c08d7166e7",
    "signature": "0xa15bfba0c41029072d086535473ca439885420508bbe4ec3bc567d62e485e4ec0ab772586e7623bd2b692ef03abed095c9bb71f8dd7b35add563b9db774b80471b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}