{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "760764",
    "entityType": "User",
    "nonce": "0x3364294131ae5860d5131f6657ff6daedb6240dfc3ce163c33cd60db1f0be759",
    "signature": "0x6f9f27b98d05e1b4132ac2f7b971418805cf2fc453194dea936e41681d4314b357555786e6d1a1f924c570e22d53df6f357396fb84c0413959caea025f2d62f91c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}