{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12760",
    "entityType": "User",
    "nonce": "0x0cc2d1d00f6b8d49d90f76514620be16d443cf2b5fddc0657d259e0f5f21bf84",
    "signature": "0xfa52e234ee11bc9e8dcb825cf905e4b7a59008f59be045ef3ce864e306fd722e0cf845534329799a13d44dc896401569f7b65fbafa541a0445ccf46ba01272971b",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}