{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129174",
    "entityType": "User",
    "nonce": "0xe5252a2a09a740cf73d13d930af1a9b36ec3a2923f6b38e40b275bb42cb29e1b",
    "signature": "0x7cfcd552fe5554268c279b7ed82e8da793799f95901d92690407a15a9df78eb126708d0712c18c9b0dec1eca5d44484fa81c27468ffbc7960aa54ccb3bb565571c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}