{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xedc33c39fa74d09c2a18eddb537d881cd79804faf1eec10e492117dc780fea9e",
    "signature": "0xec5b2f05c7e7fbb2f58c8e9e8baf5e05e5970122f6b44900a2f7cc3f13d8a82072ecf165528d9deb20a7a7dce47efd560afa59ecc16adad6be700f0854281ae81b",
    "signer": "0x518Aa35ECf10349c3aFef8B26468cc3B58816Ae3",
    "userId": "982437791"
  }
}