{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141830",
    "entityType": "User",
    "nonce": "0x5dfe3c52705fa73110d0d505cce15d7f78c061b7474e7bccefbb9177e77c9e5f",
    "signature": "0xe32ce0ab6a578f6ef5d7f8c117af8b9fe4d432a3ac5cac84d3b8f672c7e0c08f42fc02ecc0a4a49ec0a9e1fe68f3fa9c8c63f3197891de05ca81d520b5510f251b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}