{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99786",
    "entityType": "User",
    "nonce": "0x90b95766d8b9f001f514f8aaa295a12e4c0a1f010d1bab6db37570bb661e58a5",
    "signature": "0x3a1c73deb16d00af7cf4aa997fd6262265944126f3a41870a64cb0f69ae16e582e52e368bd85797523d593fbf21620ce3b617d5cec8250b337cf7df6cd602ec81c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}