{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x68ff56dd1e7370dc55d9657393781961d554bfa8cd05a709cb6e822ad5b48609",
    "signature": "0xebec3f3d1f59b5d4a02b07d1368d808d838f112a4050e10daecf2dc256f34d1937afda8bd5a948eb860b7fe54b3018463d500f8ca5a1e2e2a0c2a9c5b9a114e11b",
    "signer": "0x64F598C81c0625EA190d421bEe9C604A9EaD5ea6",
    "userId": "462839245"
  }
}