{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984",
    "entityType": "User",
    "nonce": "0x22bd74c1137a787bb5092678d8df973640dc18ef9c51dc6283ec63ec6e97f9c3",
    "signature": "0x870ce203f3482b8dd52ab0189859998608b635fc715f88e5220ad2976440819261c6f0d173fe26dc6472ec359eb768a310ed16a5ccf99c37b75848fe8175430e1c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}