{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "909603442",
    "entityType": "User",
    "nonce": "0xa27032dbd1b0b8ac14dbf58f472bc3f07decb0815e57bd315bfe12e6192a0c32",
    "signature": "0x749a098d65cfef64c5741d63857bd16a0cf932c35d8ab866828d4bb2484a0a53789e049f88569c767d2cdb8aea554d81aa42c707bdf1bece13f48b13695ff3261c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}