{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "334358",
    "entityType": "User",
    "nonce": "0x358c48dfe86a41ca6f122e90ffa9d4135cb920f37793384eea12ca5549ba8a0f",
    "signature": "0xdf02e1786a3c8cf228f10f0fd04a86b48fc292ee77d1c6747cad23b2809bf64e33d84294d95b193fed09b3d0ea211ef844d601684668c751154afd173c6b5cf91c",
    "signer": "0xe8533DD8DC48B11EC063191b0ab1C7CBD9C17662",
    "userId": "318238731"
  }
}