{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfe217d7c8d0b099ed4a07621c4e9b6f9be47f1a919183df1854d536f382a66a0",
    "signature": "0x5826a46b4b88f1f158dedcd6238cf166471923f5cfc15bb0e6560a92610be66a6b636e09afe2b299fd405743cbe55b687764d253af81620500119e533bc3fa751c",
    "signer": "0xaD38b0B80bc2434434dCd8BfFF2255625ece0C89",
    "userId": "800176202"
  }
}