{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbcceb6033936a1075b2f738bbede482744121f445e711da2736fbcb5960696fa",
    "signature": "0x969917be5f844f050b722f9067acdb2f2697e2e1286237e8034a207dc1c869fe1d66606d16c728b6138d9dafc9b56fbee420fa68a8a9052e9cfa60be66eb2ab61c",
    "signer": "0x12c27358864aE3147570366E1210Aa19fE848331",
    "userId": "549870352"
  }
}