{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x66db02178266db80d64167fd961cec8d5d4ff8f67103903f56fd2a616bf5ee7a",
    "signature": "0xfcebb4fad8a25c6d8917a4e8624f1927cf9fa2e2300afc239b8df100f2d67d9920b2a50f074478497fc836900a01483c62fdb5f43f640f4194bd4b1123b5b2e21b",
    "signer": "0xa228dA0794005c958cFc691a6808417E21E60Aea",
    "userId": "151623966"
  }
}