{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117431",
    "entityType": "User",
    "nonce": "0xd64f2efa9b8f4c60dfcb40769872baff5480060bce2b9357010d1c8d0df2296f",
    "signature": "0x4939cdcd03247dbc52956b8ec31a69df875f8676d5f6e45d8dd64a28f9dfd9660e546e0f7e970039d40df64493ee7ad376b18d679f407cba9889eda091388e2d1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}