{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "882520020",
    "entityType": "User",
    "nonce": "0x6a3d52034a8f20e0856c7bc1f79ca85d1a2edf9afca1147b917aa9ba59536969",
    "signature": "0x545e5bbaba23de1b2334e9aca745ef023d32249173c50a129ef7fa54046a411e75b6f405aaafdd66165f91bfdb81a343d9fdfecb04f3b2c866502c154484f0791b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}