{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8194728",
    "entityType": "User",
    "nonce": "0xbffc6049a51876ca87810ef735e3596167ddea09466608a6ce851696a79b3e96",
    "signature": "0x72873e042e44a4fa80dc81f92d4ed0e87d2bd451b521753fcb677d98b37eb55541d46e14340a0af6dafc130a051da688db2cb642697bcf6d3326bee78d977d8d1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}