{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1598664",
    "entityType": "User",
    "nonce": "0x8f70964978d7ccf83490a9dfbde15e551df8e9223739c83642e0f5aec5d8be12",
    "signature": "0x95b26d99eb7aaf2f6cc53db5f8746ce77c810285249cd3bc34f2168462ba5f950bf863cee10e2104cf4e69414f3f28969bc821b7cbd2c835e3e293a87b435b011c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}