{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "766107478",
    "entityType": "User",
    "nonce": "0x58c67328e095e08fd83dbd5079826f8a9ce88fb1f6f180e6dee2529c26238398",
    "signature": "0xe729a72c714963a8edfde39318c5a22509e908e33a8f6984b753249fd9d89b0d1f43243fe5e2739815a7c567c3fa15bca006886fc01bed1de28c5085adfbf48a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}