{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x3ee67dbe01047e643856b59ef34e247f15c703e0e2e0666559b78a5cd661ae44",
    "signature": "0x128b590b61b4e5cb8b043bd3ec9aa21e970b414afbc2489ced34e2dc8609e5a13df4a11d7862e297c6b6c1cba1ce75ae68d0d36ea7e623ac4867e55ff61659f61b",
    "signer": "0x7A74554101a194B92cB5aA890412885BC756f37D",
    "userId": "3225126"
  }
}