{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88929",
    "entityType": "User",
    "nonce": "0x4690e6be4e59cb1975972cbc00e81abcd2e59d1a155feac6e193b5ad8f9b34b9",
    "signature": "0x2eca07ef3fc8cd95a8c73c2c819d410c38c65734d42ea83f16a118d79ba1ae2169fcf5133c71b2e3790619804e88ba455a92b435979d8f029bb24f3148d0e60c1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}