{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120537",
    "entityType": "User",
    "nonce": "0x6ad8570309e73f65fec0d5c0430f99fa00a12fa3e8ffb20aff6838e654db2050",
    "signature": "0xc1c405b06229651d9efde8a1b06afee1a1f0282cedbc231d55cde0a61afff3f558f1ad52bc0934621900b2bb3e86a80426cb39aaf0af43ea04472a0ff37598db1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}