{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175735",
    "entityType": "User",
    "nonce": "0x1206a841d721c37f173b7b7decb40c57ba50a9f335bf6b3ed39055f6ffbf6bfe",
    "signature": "0x082fda905f5bdd85bd0354a13b9efde9cbe4c8aede1322852e7ca74b0240331f118ea0c7e83f1f705ca1b753a5b88f75f9d2733bdbb3985880ec0b5e95bf05471b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}