{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54120",
    "entityType": "User",
    "nonce": "0xba54d4d336b96148bf65c679e3d63753bc7eb6d5e5fe3bf01131011ba22dc1a0",
    "signature": "0x2db674375cb2104213d80b536c56e2167d20074948adb91dc401026eda76952643616575fad61d46d0b25c47d99d85ac543cdd29280a2e656584529a02c5ab3d1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}