{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x346a0f1408e15c81433b6a98a711dcd7c76ae8d37a133de1cbc77eb48faa159f",
    "signature": "0x728bc6c0c05b71c1d4b1410ab407bfbf42dba34205ef52e2fbe9ecb33349fcd97e7c38c70c5650933b9a0e00061d70bd5f85ecb2e23f6b2d4d39b0a40e5d24b51c",
    "signer": "0x4beAFF929C5D063D9a6684221804dBA168a6f842",
    "userId": "786204867"
  }
}