{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61223",
    "entityType": "User",
    "nonce": "0x7996bdb2761489b4cb1007aebcee567a3f8c6560019b0e84dbc46bbd8b8e3beb",
    "signature": "0xea6707e1832b5627589309cddd5da5132092a0f5712610656a87ba1030ae18de2e39e9d6f5f0c86f6b7fd78f83020d542a5ee90fa313c39b3d182582a5b1d85c1b",
    "signer": "0x7094144C776594790B5E922D084562dB60549BD8",
    "userId": "602217700"
  }
}