{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "517391017",
    "entityType": "User",
    "nonce": "0xe947807b28875dbd4402c9d4607cefbec7a33f5da0e12b6e0a0252ddeef1333d",
    "signature": "0x143c297eab92c70e3e56219fec4d6e2d89c5ba86d3bda7d3e36998b7ac7aad240a98c8419c86b61bc25e344141afffa42318e96467390cf995db8afe709f97591b",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}