{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "705759",
    "entityType": "User",
    "nonce": "0x1d6881313c212f3b94d7dea9b18062ac67296d569145a983dc21bf67b7c23b5d",
    "signature": "0x2ba3ebc04be293f88e15edc79c498f00d7f23db44e98ccbef1aed70ef6fcd45d45e1210972930e7d4e4213cae7812b2cd2f2fef211dbea5c24777737458746bd1b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}