{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354908",
    "entityType": "User",
    "nonce": "0xce26e2fb935a0b4388a62289052b34f8f1af49ddd117ddf068417f16d74e9625",
    "signature": "0x9c1b80e39fe3d8b4984c1f3af140246bdac688f881894b6c3705976732998e832261355075b0ddd84ba41dac136dfd9b5b4742f40456fea115d10125194d4a281b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}