{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120367",
    "entityType": "User",
    "nonce": "0x448389682446125590d1e1304b5a95a80dbe1a3206b248a88f13771cd982a663",
    "signature": "0x6bb165cd7c37fd80fab734eb98e54e065c86c0e97920882d5f4deb9c568835935307a8033f6f36638365536b2e53c621184fa3509725af90acd2b566799934a41b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}