{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "989237576",
    "entityType": "User",
    "nonce": "0x1fbe95d930a32ac177a2b0918611eaf19b64486f85a6ba16e827e5c80c38a5a8",
    "signature": "0x9283f6578c8b680cde7aa1b03beeb1d3f147364a37b7167dbec0520aa621fbbe5a61a4581622ee12460b8e3d600ace2a277474719b2b1c9fafeedee1ce074e9d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}