{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134364",
    "entityType": "User",
    "nonce": "0xfa2467980c369e2f40eefbf4a15e141b168a285c3f0585f66672acc6eb5b6021",
    "signature": "0xb8c9f85d1fcc9035877d107ca9400af3c29e334f353c67b2b0770c7feccd10a645be525df43e4306c888ab7613283336e3ff160bf7d5508db8cbed090939e6f21b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}