{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "601442852",
    "entityType": "User",
    "nonce": "0x235d716ce59cf804299f485c39508a78a33b0c22ed0c68215ea28e1db61f1133",
    "signature": "0x00ee5f31fd7f591a41430b95e6cd278e9cc94261c703ea5a1345aa6dac720a632fdaa4905a242a2dda00daeb197141b8c45367dbe0567451132c94765bd4c54f1c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}