{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "889307575",
    "entityType": "User",
    "nonce": "0xe1d81b3551a3f76f0299ec58e99daecce3adbae4b81918b57902531655384ac0",
    "signature": "0xca2c01804451a9484db2227b0fad55fdd894ac97102c1f0db69a799870aaea45096fa646438f6496f393c7dbc06f49c2a7d8825d283843017d451955a94ed6451c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}