{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205511",
    "entityType": "User",
    "nonce": "0x67e5d936a79ba38def2066858042d5d8539aa80a8924d846b92bb8b6779671c4",
    "signature": "0x604d2146cc068413926e917351753a976b5f21fc61fa6ea99e17294a6786470711ed3db93938af76d2bb425a4b16b54763941bc2c62a837768174a791822ad8b1c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}