{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x532067114d86e85e99e9423373e34684af4ba68a13bc8a1a70b700f2e0d6b92e",
    "signature": "0x76f44920e129c5a072650057c24d1fb4614679334d97406f76bbee6f6c67484e53aa71011a703623d74a1f293e52cca2f0e3a3561fe3b788c7567442bb6e61411c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}