{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "180294",
    "entityType": "User",
    "nonce": "0x4ed168e72fd27a1b7b54efd4e0022723ae50c7ce8de1e63a4f28244de97afb77",
    "signature": "0x0f0e71247f6d60143ffc62728332f42084c55d579bae6c928a4ca34c20688c6b48581a2190763455f9f921396c33ac645eb930461154671e4771d0308fd8e88f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}