{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317847",
    "entityType": "User",
    "nonce": "0x370a0ad14ee2e2d5852e4bb7a6e10a1e9f67d7e09b6a5e361f1083d62839b4d1",
    "signature": "0xbdae9def62810b9f9aeaef02552307d577864f62cf7a629f5a8e5e0e6eba9a77583141ee26b11b6e16968b7eba33fe89114ef13245bf732a42638b1ade2081ab1c",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}