{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1791962",
    "entityType": "User",
    "nonce": "0xda7d2745f47f9fb40a390628c4d085030b1186778c997e5e3d4919311bab2ce3",
    "signature": "0xc0b399d94d6c0fe6d5b6572b0c389ff1b8e4a0dc7094d9925b7570878bf10d52442cedb64c580e3e270e3606a69e9d9aae602ffceed80962a5d8d4b3d0e814361c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}