{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3112",
    "entityType": "User",
    "nonce": "0xf466e406231342ddb232298489b0b45b09c56eacf60a7213036cfc37631f1e8d",
    "signature": "0x733329d010698dad6eee038f68eb98ad6e6188acf5a7ee9e3b60c49994afabbd5d131d2f2e199bf121d0f064d6a31e16b22691546a3982460727ef93929a5a401c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}