{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134943",
    "entityType": "User",
    "nonce": "0xbbb50d1317f906c281c0fbff81f15d9264fb46a2d1a09c3ecf2495fab4ba2f96",
    "signature": "0x1d836dec296b67af31f8f4b8132d346414944c7aca3696b7a08be086e416c46c0fef4ae01e7c64e9adc14b2aab84a876027189b675601fe7c23bf2c9a29aa9531c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}