{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "269029",
    "entityType": "User",
    "nonce": "0xd85844cf56bb08b389baa5bf21abeec4b5a293d4f19ac4814e56b8e2938314e7",
    "signature": "0xde7465a20125ae7cc208ac04681d69aa59b07bed62f391f21880c49eb0501f9d1178f03ed431e5528f80862835326d9ba17fe36e39726883bcdacc3e05d7e0ad1b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}