{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x8532a728a8d33ec753872154fbfa5bc14a4e12b81dad5b90767c78515790dd31",
    "signature": "0xa267b4819fe912eb0bcd0470a0025379f3e6bb0419cba9bac2a9445f50dc9c376c1eb87948650cd6c6a9f5fef962bd286886e9917771f405087d81eec20b5ccd1b",
    "signer": "0x3C7E367F0E6D1E6DD6De3c81817aE8C5fDf30607",
    "userId": "819845121"
  }
}