{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "178246495",
    "entityType": "User",
    "nonce": "0x053a17a4e605c45f749c84e3a2705c177c6a241bdd995868c9f87b63b2a0b50f",
    "signature": "0xcbbff6cb9d3fa55a7bef75705e298079fd30f5261cccd73c2338fec4778c2ec53f9c386b0b079e5683f19f9cdcd52411213deb2a3d653964d676fa49620a4ac21b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}