{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40068",
    "entityType": "User",
    "nonce": "0xb73a6f6089bc39a2d453a2d30e59ba85a9af6a8677df7de8936b999e058ec236",
    "signature": "0xf4df2114815836a4e3f741ea0072628d9e40a539883a851dc67e70048c71d65f429d2aa70a8a6f5cccb3c8caf8913cb95ef57f0638f1cfca1b3a3441b2ed1f211b",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}