{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "365728825",
    "entityType": "User",
    "nonce": "0x94fa5902c2373408336899721b509947e73a3c809aeced2b992ee1d82e0b8c38",
    "signature": "0xcfd9944048bd17d128aa40dfbf0ff53f763c884485966bb76572f88d027d97093a41f7e518193a4693b9ff7e6ab358ee1744cb13d036d886b13482074fb1ba771c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}