{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0xc79e399bc9ab7f49f46218c5a4906f091bfec61aa95b69bedcab6929d16b352f",
    "signature": "0xf05e8a3a1c790566807fc0a60300383af0344fb71e92eab129e583d8d7f80d295b26f41531aedf5622fbc767e6909917966ede7b9e4db32e022d2c391f3c52391b",
    "signer": "0x4ec0618BF74aDf72181673DDa518f0bf7781DE7E",
    "userId": "703354792"
  }
}