{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329570484",
    "entityType": "User",
    "nonce": "0x0317864adf29d69ae1dcb01e1a877ba836eb30c7280c4840825b0c172ee3bb14",
    "signature": "0xfbcc3c7b56b8f2d108cd65fa04ba23fc75278d5de36d314c7daf98080e25270948e87bdc4482d735ec25330bc1bf7e11105d1a2ca5e37b905c579f3dd67ffb331b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}