{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "220613882",
    "entityType": "User",
    "nonce": "0xe4f5602ec718a16cf552a44e74f70f60d024f3189696a9d473a691b26a048d7c",
    "signature": "0x94743c7ba667301405fe3147f0a678af223d6e1e90b8afabc59c747fd1f8f36379bbb09d3d72853323a60470ebe8a769f9a0705685978f488b73ec53f330c71c1b",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}