{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63029",
    "entityType": "User",
    "nonce": "0x9eb46f1989f6a91beeb12f1d3b3fbe719c9f680fd9dfa6d0e63cd2aaa67dda32",
    "signature": "0x42b6a25ce259265520056984e402ac3755df98a506a2d9a3fbd37a09c872abf03d69cf043b7d86659dcfa77afa7121c508ff67ac48952ba238c3c267ffebfb911c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}