{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x538c9e2740cc3ee00c10deda0b78f7d831fb355a170d222a61e34e8236bfca20",
    "signature": "0xbf9a84bf240c42e1d9015092220e70cd1c7912f6712f068fa8bbbc1f077d7da0422828980d78f4d2d4320d27e428af89beda98d597727c1dfe6e94ca7b96b4cd1b",
    "signer": "0xE3d386a379AAE82b5649323eb7B6213C63789855",
    "userId": "104699486"
  }
}