{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29907",
    "entityType": "User",
    "nonce": "0x0f635fd221cb99f33e0ccfeebce9244f2ebf5e9a13e95463b2979e36c0ccb6fe",
    "signature": "0x9583039aec4825bcd99739aeae67660374cbb30e0b282b3aa444c6d8052f7d606a9e3a6e433493dbb9ba6dc282d963c44dee1a18abeec5103318e8df840416041b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}