{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74647",
    "entityType": "User",
    "nonce": "0xc690ceb72204fef1f7da634793c86e3d530d6b78048882a6a88afa22d8c55860",
    "signature": "0xe05b9e278a4862e8270933c94fa9e39e1421d4c2f93b8970dbe661090af526a7759de62ba7ae3970da4d74b2c99fc989bde3b6b0112d570e5c906a936b89e62c1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}