{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364896001",
    "entityType": "User",
    "nonce": "0x9d2ea015530f9326d232d661d21341875e599d2ef22981e1da117eed28747204",
    "signature": "0x11a5120a2d2846cd984b7c65222c07dcbd5c07c2f508d398f544267ac8e5e00e0d5b19c5327f41220a251bec02792a07025cf2078c571b7b17f7d82566ab33bf1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}