{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227069",
    "entityType": "User",
    "nonce": "0xe0a1911a7db35a13df012e8209092b741ecdedd74c47896a4f145a3c264e8c58",
    "signature": "0x132a70af09f09f7194f54324ebbf9fdd6a950b3ac8deb051d5b5b41a7243a3840ee4f08afb4907b2da4af29f12a50b440842f85bad64be42e239da928d5ad7d51c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}