{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55167",
    "entityType": "User",
    "nonce": "0x4250f8e7ae94c84cccf6cfcc8a06c5454f8e76735ab6f84fa8ed8d45b2337d7a",
    "signature": "0xc299acb4c831873cf37de5f71c700780188effb47de1281bf38ac26ff889954f0778c8af7cd308db3b462ebafa9da9787060bdc6e17b686514c18e71bd2924811b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}