{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x292410978075cfac87796ba11d54b393399316c2b7ab81c5cd085f1e558e0304",
    "signature": "0xfde6d70ed6e436676bdd7e563235585b053fe00e2728c3ba62e50171ff22c7434abbbab23212ea117b4c4528f6e25e5ddee322a1fdbcd7c747072189989a78c91b",
    "signer": "0x3650a89287dc01b8b035442A3E9e1fdCC1CC2324",
    "userId": "572305760"
  }
}