{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "330742129",
    "entityType": "User",
    "nonce": "0x4afd6b9f1750d43b3faee5a9500866423ac01fb54bf0dd281ffcdde1545cb7ae",
    "signature": "0x7d3b96171985317e460d38b73b3aa6e7545bc7d66994e12437c2d850c5e1dcfd0f8d741d50c2fbc15a38a73c1389795ca19dacacb525744b255a3803d20168301b",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}