{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xce2df3584604c3a936610ae9d210576795b8d0d63f37f3d3229428f22d9bccb5",
    "signature": "0x305a1ae761147578c227b26c41e5d57342ee20023d107acf7bc994b9a85115cd288708d60a4a39b2c129b5e9da9ddb92a18ace4cb23a611b006131ca14c2f0331b",
    "signer": "0xCB95540badAB526C31007fd64aCFC7414b264E86",
    "userId": "59631881"
  }
}