{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234183",
    "entityType": "User",
    "nonce": "0x1f106e4924d9b90ea912b8d66b64834aa05812730c8377e2740eeb68daf94ce9",
    "signature": "0xcd31e690c48751a16c56e01afaa7571652061899c95459fdc24d54707757757a1e638e4373c31da4115ff8018555ba1f55a1d24f36ccbe11fc6b98d87a6fd0311c",
    "signer": "0x004B5417Dc7a97C6e4fC91824604df56Ed56C52C",
    "userId": "835111870"
  }
}