{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1655340",
    "entityType": "User",
    "nonce": "0xae3def4c5a0aeee441077b40e72b5a11f80163897f15403aff430f5313161f6d",
    "signature": "0x693b3fcbebd1a6b3f16087906eee452d010c001d9c23d4957f218e179dc466aa10909bfc137a53d2853b60873703d0791ba42154b8a3395cdf699202be4dd7ef1c",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}