{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "858059039",
    "entityType": "User",
    "nonce": "0xc10cf06f7962b809d46a2bb8ab10e229821d768e7be5d3ecd2c5d00c69457bf5",
    "signature": "0x6f4003d4505ed1ef5421c87da178edbbf2103df58f8854c97dc33840a9820c87610c5b39d13225b2b8b123049b1f8f175dee486c22066c2e367276cf8579937a1b",
    "signer": "0x8B50B0687712445cB22f8e1232Be42e560bE3deb",
    "userId": "487640022"
  }
}