{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "527480232",
    "entityType": "User",
    "nonce": "0xe0fe8ac4110ee976eed1b54a35969568e45302851b53bc63f117f8a1f1a342a8",
    "signature": "0x617b0f316185f5a38911461c3e52fe277f7589cac662112f25406e52dbfb1a5a41e08885773a2cdc7cf0a243ef6befa6ef9a4eab5834fac43b014b17cc4b1db31b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}