{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3464",
    "entityType": "User",
    "nonce": "0xdd77519106d91402164dc399ac859b47514bf7978001ea5147c53040943a19f6",
    "signature": "0xe2741cb2a49f406712fdd5e1495df8ca85acdf97fea8c34e72ded3ed7262a2ac041d4b2b6153195622aab8a6bcb80d09947f6c6ac24689d2e8686d86dea9b2c91c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}