{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "906447444",
    "entityType": "User",
    "nonce": "0xe2f9e06cb22f0bdc52a002413c6f2b8a3af7967af672b27849b7ea3bdb699857",
    "signature": "0x033a18a5f72b0684a73a1ab50800ba6a5cb53ab6cf9cbd41d171779446e6322915b32071054a7f90b8d47030216df1bb8347a060127866cdfee33a4978665f5b1b",
    "signer": "0x0E6Ef8dF2F401D8918d603B82ef321D94A721556",
    "userId": "648802251"
  }
}