{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "467213409",
    "entityType": "User",
    "nonce": "0x95eb4c741a972cfcb653f484aa08c1cb75430dabe8e604befbcf3db23e080638",
    "signature": "0x6d9e98dc1cad77a1be3ce504e1cb4e6a3ae3a3509147b82ef25c399606d81ea96baa181df78f752539dc1c9512bcacc61d6fe48617b917a7a0fe29c7fe67f77b1c",
    "signer": "0x4F8e40E75E675f5be20520c4cEA0CbD7bBb999B1",
    "userId": "991796067"
  }
}