{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x10b99582cb681a39c8222be29369ba08f223445d49777b76026c5ef7fc3460fb",
    "signature": "0x6ae99a3f10f64a7e8db44ac95760993c4f1912ecee00c1cc583ad09faee891fe30b85b4ffcc9f76b28d6b04f1e65e0434b1d9626fb2b0e805ce0770c8836c0851c",
    "signer": "0x22f1114E94068535915bEE815907A708e77a3Fc1",
    "userId": "158645"
  }
}