{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xa20a5d8f8bb9790278029eafa489ac686bf49a9082bb1e3d09b669e5f5f12217",
    "signature": "0xf8e1e6c48f051c74263107315218677b7ac00b8eea330f1a16322739650614b3170651e3b667b2166d3905bed401231a1111be5fd2608c0a62efb18ad4fbb2ba1b",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}