{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5131",
    "entityType": "User",
    "nonce": "0x8de493977e3f7ea074570cfbb311c8b548bea53ca829feffb383b2c52e9fe5cd",
    "signature": "0x7f38cdf522fa8622638345af6cfaabf9e655290a84425ae4b0e56e56a7ea2da66a3647997d9cbf09f851bdd524f80f3642a41eeadf21a34e7d985fad5d2c43ed1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}