{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58531",
    "entityType": "User",
    "nonce": "0xe76a2616f0ff4efc2ed469489dfe1497e5500a10cabc67548c8bf6cc63ec7613",
    "signature": "0x5d208d05a6e6ea1520b609eb2148afac82be11868bcf4a0c9e5d14989938d16a56ffdbd11598bc07e849eb4e41f492617d135a52556a08d9a87e151e7573394f1b",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}