{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0x2cf4d37e878df2685e74f9666dbb77a396fae74a7c854e8c8a60fc20978b322b",
    "signature": "0x20127ee69642693b2a98d1c4f4bf6bc1a2c60ef493f364b3a269da17eaa0d94e7b8070cd9120701588bcab978fcb8e6f2285e36f51d2efef69b2f2807fb5d2851c",
    "signer": "0x07cB076DaACCA202F3ffB2dF4A778b16AcEf28Ee",
    "userId": "998685050"
  }
}