{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf5595c633bf041bb6aea5024446a35a86f250dad51490745e6d34d476bf7e712",
    "signature": "0xb1bbd0934abc139debb0db991d99558a8d18bb6ec13c7913ee342ec3a0a77e5971506b3ac8016709d9199f404f8fd5fbf30f702580d09e4c719fcb073c0cf0a91c",
    "signer": "0x825558fbcfFf5d9378146705Ba36E009c9Bb3f24",
    "userId": "794812227"
  }
}