{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109883317",
    "entityType": "User",
    "nonce": "0xa92449be78bc41098598bd9b4599e1855a07f905c6b96cc49a68bd7ad922a12b",
    "signature": "0x0598e806fb36d692e25671a20a39e66c59c03932b4d70783f90a673335109dfe69580bff5185866b9fcbf4b569b699fa0f0c1064850968f0042cdd4f2a3c0eb21c",
    "signer": "0xC7B16Eee24C03712c67aa884907593f4df23db87",
    "userId": "56534466"
  }
}