{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203774",
    "entityType": "User",
    "nonce": "0xf720460e3664d47b6471783e977aa1c39515f109b852eada467a30e9c33c6189",
    "signature": "0x254e3a759291070a0ab13e046f71cd56b6a4b4b9f3111e5dcae259cfa953cd800de23d1e12962f0fc50bdcac25bbec916ef5d04c28f489dc44ebae1f5131a9de1c",
    "signer": "0x53adF2804c4b0caF62EE0Cb2f679c7e108930bC5",
    "userId": "806027782"
  }
}