{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135149",
    "entityType": "User",
    "nonce": "0x1d414460424c910fac3c931cfa728f824bfcdc161ee444de88f20ef457d082eb",
    "signature": "0xa068bcedb3220c078e4311a7e16a694b9b19b11f6c7ee7a4a59748ff7b9dedb121fa21dd7b65bb24459bc8406376cfb9ea4b859dd40a64de021b0bc0478978b01b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}