{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161377275",
    "entityType": "User",
    "nonce": "0x29b38889946ced95e717c34b6a19d95ded86ad82da041ab723e73c120f7642b6",
    "signature": "0xa5468d005a1ebd34043b9a9810c07278d9e1b1644fa8cec12b435179f635dfab404cd83483902c7a1b4a0bf523aadc647de30b1dd62c2e1035ef6ba7f6e231fd1b",
    "signer": "0xd72900E031d6C9829fe9C1950eF6FC0D34C60F0F",
    "userId": "396396820"
  }
}