{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84343",
    "entityType": "User",
    "nonce": "0x40f49c464b848071318de1e4a1e5040c254d1abeddc8b9593c192e43605dafca",
    "signature": "0xe09b527de6577a7dfa0c5941b3e43e82b604fcbd5e4edfea4a36aef064cd0a6e32a38a32dd28eb1185c3ae89d308b0abb234957cee47edb5ad3c5f477ab59e301b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}