{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25696098",
    "entityType": "User",
    "nonce": "0xc7b80784d75a35f2295ce1a3f64973c0856d82bd6aa3a3912f8dae12aaad5d8f",
    "signature": "0xbcbb345ff38de57feb4ec9e85b6f1bccf00ea06ec730273e37827699989a572118490d5d4797ed67314dddba2714f56ae8f1dd4f8b4fd3dbf5aa7fb86b7533621b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}