{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "169829",
    "entityType": "User",
    "nonce": "0xe83bff6d10b7893bc31736b9e2d81e61d4077991cf1672fe1692257196aa3f1e",
    "signature": "0xf41113f9b3a4dacaa3b48582299fb63d8b1940cace4d3e44fd1a88aa0f648823092aaf76cdb3772a86e481686f9dc2d694fabfe46c2c83f6648f6fb2a8bd92741c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}