{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x3509780b3894d1cce3ce8533fe63066e95de2307599ffdd20a3ea788a2abdf70",
    "signature": "0x1982aece5cfa9f748af3ec8aad59d7593a188048e576068d8d6d464a0dd83ee42d51951d164c9cde43bffe6149aaf524c5f30364607f035467f63c69585b9f881b",
    "signer": "0xcE1000874CF7A0a7b16c35A55F7D6f10C607A868",
    "userId": "442277469"
  }
}