{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1739285",
    "entityType": "User",
    "nonce": "0x556d87df284d5f52828a699671ee2a4b7a1a182bc248f4d8102be4c9b41e5c49",
    "signature": "0xf88f2b3ad6be2ae81f83fefc6de2767a3ffbd235c13054c0693910aceeb859cf417992d36f3a9a5052e8d00e6e8ed86821e83acf2af8765d5ea084797d4172c61c",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}