{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13154",
    "entityType": "User",
    "nonce": "0x768c88a882ca45a50f6d823a6d15cc6ebd5253cb65997c38ad225455bbdac33d",
    "signature": "0xd09316f87680b7908c3a5e2cec0ad901a7263dabf2d48f24b7ca55239432e8b86709d7f3cd978ae76df12ed02036e276e7743239eb9165170b751e80aafc8c1f1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}