{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe36d7d264edbed0d1b33ef013c18fe4a3d86ede3f226d22613b7248d64ef3f11",
    "signature": "0x914606121d97b0994e07a7e8b09533c0f9c5ce49edc8c5a3c2080c4ae0f4c1290569e75f6e1e51bd73be36e9206d36f0f7adaea989fa97ed56653fa97c5b8f5a1b",
    "signer": "0x808e1c66560cF36D00CA8D920af2D9205114a2C7",
    "userId": "983141272"
  }
}