{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56645",
    "entityType": "User",
    "nonce": "0x9ce2f2b365a0d744defe90b3acae2b044f156081d4b169536baea7e2a9a1a155",
    "signature": "0x558ec288ef98010deeac9196f60b96e630b187e832085a3cd050cf22bd43f753590d45f7b0a8ac64630c56e93e903d8e48f1079fd04766b6cacaa2bb056467961c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}