{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "773097",
    "entityType": "User",
    "nonce": "0x4088b4fce4266c2bb023e5db218374ba246934e0fb9de9aa2210bea0c90b235d",
    "signature": "0x406648da0c8441dce73fcb56fd7b43f4b2088130d3dfd93b814a723d36122a43103f79c0c64a118ede5a2a4a4e2a02ddbb752bcecb5340f659d81eaa73405b9f1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}