{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xd2e0979619cdaf15e3b6eb775470dc9b416efb91a31e334c48d17f15add6365c",
    "signature": "0x339966e1922c4a4502d95835ff9803692f56eb5a2b0768d804007d590ea237921829f13f5fecc0dcb2a1c64b01f8621737c09acd61be48a32d663e653d8798641b",
    "signer": "0x52cc4CaB8B88D4A10D7E6Cd27e0f7f36f5e7B782",
    "userId": "462161762"
  }
}