{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xb6431e6bab987e9ddb073684f3795336a4798e47e80dab55d9e0a56a8b8cf6b0",
    "signature": "0x5b6f4d63d3cf7fae594b27be33dbe0e05e7503686539955cf4d2ef9cd9dfefc4795bb90b6f72ee6c85f85449b757b68d300dd591238c3e3beada63c718ebbd4b1b",
    "signer": "0xe083C6657964CDF8edDa4A2141B67047B9816C35",
    "userId": "861832117"
  }
}