{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1887966",
    "entityType": "User",
    "nonce": "0x4fe0099f3968d40ca2280393200bfb6b088f812bc121da405fcb0b8a5cb1694b",
    "signature": "0xdfbaf12adb2066332539985e763d1007881ae5b7740a85d0c0f9e62322ddb92b726c667718dc7dab1f77a78f036b0656a07a17c5d1c16afe3a423ce566379f6d1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}