{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40758",
    "entityType": "User",
    "nonce": "0x88c96d7005baa047fa7c4f6cdb7b454e320cd1f8c25f4d024406937e06b97d55",
    "signature": "0xb6511a440dcb2c2e200b1196e7241d60b2e94c1da95a9d34d067023e65bc7acb55155f67aa4d00ec2719e9f49399a3a1c4d527f93390c44ab439bd32ff1743be1c",
    "signer": "0x07d7a46761dB78DC1d68D03aCD251A2800940A5b",
    "userId": "199549318"
  }
}