{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370494",
    "entityType": "User",
    "nonce": "0x7d3e78be7cfe60bf0fa814ae29db8a5fb1b4a26de158c11456c83041870242b5",
    "signature": "0x0be990d3a33008f0da1f5a29276496e529edc7a125ec818c33330bb36640f9870f6a2681ee4ac4697d20032ba1d9c839171b1c1d097829a6dd5310d307e8361f1b",
    "signer": "0xc08e768847baa6033d9247b410365af7fAA1e060",
    "userId": "347476152"
  }
}