{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144157",
    "entityType": "User",
    "nonce": "0x84cc26e81f7a19c112275fde5f05131a9eae8aeaad5a31f577e89d8e2b4ec85c",
    "signature": "0x281f1464e5677d716f0e53ca338177f119da542b56182c04cebc22e50db29daf044268e64b469550c78e54671f44f76dc4a019a3f131e1f66c2aebb930b7143e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}