{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x46710c1fcdc9bee0bd3c2cc0b1aea0a327bee8a5ca9488392ba28090d77bd837",
    "signature": "0x4a3878500f8c8ea283d86a8e59fe1a5117cbd5d1e774c83436ec41ccab717f7e17421a3bc14ea080c24fa9ceb8ea40639a2bb74b3b4c7f77d49542a63a91e8831c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}