{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165764868",
    "entityType": "User",
    "nonce": "0x02dd496ae7edb54ec6b5eee2b7e2495608cd6148b59f838dec79c8953ee8bc8e",
    "signature": "0xbc4dd4789d442a25409fd34db2e5b5798c562c259213e07d32e6a0db29516a8b0c461c552c3b50321b6845168492160ae7deecc531b13c9e6d250ec69fef1d4a1c",
    "signer": "0xF66719AC0E8463f8c9660B4412B4972e1dB48183",
    "userId": "57021"
  }
}