{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55042",
    "entityType": "User",
    "nonce": "0xb277b88b3f7acff3a9c24df89a160490d5adaef13c3b9fafea86285c095aa9f2",
    "signature": "0x4815d635505a66749198983950c6cb1a4b4a1b9a3e6ca928951ccd7cb78eed4f63aea60ea886cac133c926b8e07dfdc8ab4a745c03fddebd1f225701e1158aa91b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}