{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "301637",
    "entityType": "User",
    "nonce": "0xdeba565c9b96ab011a67a2cbcf933281348c23ece8bdb8cc92404403d1b7b85f",
    "signature": "0x525339f7a614b1c6da5831cfe76a7d9b428f942e98dfa7fc7378aae797ede53b31056024a553aa9fc316d0aba36f7c362f0862a83ab8126314cb3cf40c4fd7ef1c",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}