{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4589",
    "entityType": "User",
    "nonce": "0xdf64c6de1ac68aeacfd6e2a35bdcab31fb4e4aea8de36da21e873cfed38e78f8",
    "signature": "0x1537540daa2f2ef4abb023d0d31429279d926044e2f80aa8636d3745e079fa450a286d373cf5be85885a05bc8b4ca9875bca7ebcf0d1cb78d5dd6fa4cabf80081b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}