{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67066",
    "entityType": "User",
    "nonce": "0xc3522896a6d4ceecbadc95166ec35e709fef94bf3cb71c95586114aea20f9254",
    "signature": "0x223b0f1759adb7c991f3acf66ad84f0d046fecdab5c891cddde5020ff7bff5a77613a8917fd9737fe51c62e0f506bb5bf8933d74f044fd40f5ebcfcf0858ee1a1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}