{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332665",
    "entityType": "User",
    "nonce": "0xc2429ece784a51a918696aae4e518ff24b759ad14b639ec2e85b2d5373e7144f",
    "signature": "0xa9fc5be4298a1f2990ee44a8d43777863c485133cba62383b4ced7ce779d3c2f4dbfb9aa397ca827b688f661860ca0b3bb7f141ff8d7532d1bf98aebf57291c21c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}