{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd18b6983a9dc5395c1941eb7b1269bc8da0120c673565fd71637f71279d48f0b",
    "signature": "0x70a8ba31d4cdb0f96cb2863e4077580e70cb65117c9050f946c2edbb860f6f173457e56ca84e564aeefab12563eded8cdaa44d0f4d6cadaefec38bf480fda9cf1b",
    "signer": "0x08D9b968677f63b0c3F7F0A74b2dcf0B8b0fd093",
    "userId": "760280739"
  }
}