{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x907262f7c84b45718260cffaae27c1be482810cf6d26c6c5197acb09f0f257e5",
    "signature": "0x8a7dfbcc85521aa99451018c2aa66a1fbcf32b439ae2cfa9460f6faf44e4c71b17d5406132245687eb0246de8d4532218db7e43323aaecf44bfa20ab5941912d1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}