{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14394",
    "entityType": "User",
    "nonce": "0x9dce01642d7604512927b3ea7e0110d371fafdbfdbb898a6293b2d73f6a1d88e",
    "signature": "0x6970750a1efbf86c16ea71dd9460fea8aeebe0520f1f62e63f3a00bf9a664bac7628fe5ead58fcb03b37248600b531711e72ba06aabebfaaf0adcf21b430746b1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}