{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xce76690df0d8f8bbb23d447b13ca0df659bdbf9a6218634f6483ad5e8f23fcf8",
    "signature": "0x9c425d3c28e51683ab09fe7b9908d24b263f243d2d929922859ee586d46d7e0c0080246a4080270b3bfa7bac9d0787b8da73b02fa1ee92923769ec28e6b527121b",
    "signer": "0x8141F8cFCc12f88E3a24549a825Fd1Ae77fB7e00",
    "userId": "214033353"
  }
}