{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2599",
    "entityType": "User",
    "nonce": "0x09eae9054773d59e6464ec855ceeba9fa01d5f0947dc34b27b9d00ab661b3cae",
    "signature": "0xde136c62d1694fff38b4a904c2eb70843ed0c8ee750c40d2050515e8ac212b605a957e4ae62f6e89c5f38d15f09ff907d16231b92742a89ecb431d55d542595d1b",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}