{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141601",
    "entityType": "User",
    "nonce": "0xc29a3b4f5f5a7cc037454649ede1f8d15308b320b6fe136e58db202c11a30d2a",
    "signature": "0x9d4a9e76def454fb0f33882b90703593b0bcc20b51ca2bb95d9bc8a6c44c1a1379757a24d652c8b996174bd148e50a21a3860f871ba360c16e4b4b0400a8825c1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}