{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357414",
    "entityType": "User",
    "nonce": "0x85af8854c67cad1445f161c9f4419e5ea46dabaa4f14b46b7dfd09a83b80a52a",
    "signature": "0x0540fb2bfb6143e7619825768e88576f67a2befcffe8f7d0fd081cde51e8b272634c2948e3271036602aba4c3eb1766bad049ee5d1e56b4ba93b7b1d0700b9511c",
    "signer": "0x2205833bD910998b6F99FDbd53F5FBd387134b96",
    "userId": "424142613"
  }
}