{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "608920697",
    "entityType": "User",
    "nonce": "0x8b879c17d46b26345c7bc401e1bad36358bfeb2c8a312098eec65e1d5ae451b3",
    "signature": "0x9e5a5aae86831542a24b92a7195c2815f05757bedd5ca82349d49e05262314104726f01b13142662868feee2f16403e4f3435c218b76bf8d71ee3d0fe6527bf41c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}