{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "901788935",
    "entityType": "User",
    "nonce": "0x715d13f6a6d0efe921984148dfe0c79e9ea34f70241944beed3c113b149a9685",
    "signature": "0x0efd00a60e88646dab4bc067e6de3b9d9162b74e0c1994e4f2c1665a95487d763bc46bdfe6142f7f6e82b0b4e03524d2399955c0468aa3b1af07cef762d031dc1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}