{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182902342",
    "entityType": "User",
    "nonce": "0x1089dddc379cef1a17c8bb6ad6ae8f4231ea62050ca03a25bc93dd19ab509054",
    "signature": "0x58769b94b40a385496ec4533fd42e42b72f652bd35da1855d50aee6120f8d21921303a683aea4150ac54dee12295958e9c986a1a4f52771989937051cf1753181b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}