{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcce93a4b8a7e448f411507f899b0f6673a160766c78024e232ea7dbb50635c97",
    "signature": "0x176aafb162364dddb34ca1942787b4f2f5ffc4f4d354cf334786b18039d18210350310ef4a58ebb5e13849fe774fd518081204503828f846c72d4aba6b4ec31f1b",
    "signer": "0x1ECA0F6DD9Df100D61052dBc7c940eE29846e69c",
    "userId": "704556561"
  }
}