{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1856608",
    "entityType": "User",
    "nonce": "0x98abb33a5c01f06ac78bfddd1115efee1177ceb0d9d66000e2dfdf13c3770092",
    "signature": "0x3863085a25b156abf937fb2c090fa36cd8417747064c22cab23b17f3c3a0deea7acf2cfc1cf0a843b9441bdd0b0d504bd88c2c519e62b2d2c44572922faeea591c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}