{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319746",
    "entityType": "User",
    "nonce": "0xbfa86ae3c13b2e69785d6172030ded621010db69c751f9155c778baa11968ce9",
    "signature": "0x13aa87fd4460ca51f7830e157acdd3e806c0a637a6cf6132e2c99033ff2a37d8732c59be50c964d4f715d4e37eca9a3f736f4cd8f31c0c0eecb00148dcaba0101c",
    "signer": "0xfd922fFe7bDCaD44A4Cb39ec62344aeA629Ae0ac",
    "userId": "431555736"
  }
}