{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15744",
    "entityType": "User",
    "nonce": "0xd129f78c737febbb173ef68f5c56022389b36fcb2ea01aa402da4c90c5d63de7",
    "signature": "0x9ff555ef3597a9ee272b6f56954b82a64c14fe714855eb94b6d113bf4609b9676ae811ebf48315e1f8b3f455b1e1b385d6f352d74c7c91234a7c81fd517fc5731b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}