{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xc4c4ea79b8392895cb7cad4911ad6dcc1056860e27d14300027120d5419f52a6",
    "signature": "0x3208e4a75d3ecaaf779222353309bfd9a39959195e17e66791f0bdc7d04323716357204bdf4674e05d53726f47b1a339d15e01566f1be28a1bf67dd7df1edd761c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}