{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56798",
    "entityType": "User",
    "nonce": "0x51a8933f91436f335edbc287ac4db04b5710a14ea9ad68c204363d5426a94824",
    "signature": "0xc5bd4b57296dee0cf02f2d38e5ba06dca5054b76ced7354ec72232a294b0984c1df3a79b299261675609d7ad097363512e0d4fbdfd04781c4ffd226b008c730e1c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}