{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128415",
    "entityType": "User",
    "nonce": "0xe4dcc2c0e08cc072d5e5bff33606dbf70f20b547b28770210cec6744c16e7c3d",
    "signature": "0x8dbecad9014a2d910253033ca0dbbbe4dc774e96354b4ea1892c8c3a5588f8c10bb1870a71fff79c33276ef8c9f3b544a30ced243591bc57e16266eca44e99cb1c",
    "signer": "0x5556f3112F03a658Ff1522aFd09D44a9a8C51a2f",
    "userId": "156266332"
  }
}