{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832604939",
    "entityType": "User",
    "nonce": "0xae2f62675558824fe0c3ead22328954d2b39476425ad04902e23037b7e7dec2a",
    "signature": "0xac1fc0bc2e628a822a44d4c2b74bf91790054c6d5113484db6c8c38e4351056b556e434a1e2e2c2153597e85c79c3bb94f320921942e306b7262f0143a0b5a241c",
    "signer": "0xdCf33EBB5e7b84FCB16F97A7F4526df60c9fa632",
    "userId": "455914777"
  }
}