{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfab976dd08274daf473f4d327bec71756b6b13670d3fcfa2f4a24f213c3bfa0a",
    "signature": "0x4c5762dc206badc1194ad1b10b857421084d44c8bbe0a34fb4ab15f1fecd0e4908f0e50c54f9f47c97b4ccc8bb7c8b881c3abb5de26ab8e16b9c8482ecb372bd1b",
    "signer": "0x0eD893563595aa14d86DE7cF0F39DE6A04aDb3A3",
    "userId": "216152299"
  }
}