{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85339",
    "entityType": "User",
    "nonce": "0x997474e3085cb711009511fe16ab5defdead21c5ad7e5bd655865e10fddbc1f8",
    "signature": "0x0ffeffad9b55a0dda5163340e25def185fdc4b8166403b2573f1043fa2720f757a022e22d797db175d3ba4575d6587c55b37203edfae162dbe4350dfe4de90721c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}