{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99786",
    "entityType": "User",
    "nonce": "0xf1b25c7ed598f3e4e0d13cd591d9c96ad8e5aafc5300a0591e0ad46858f7dbbc",
    "signature": "0x3fc1bf9a7fb8bb170f7bcbd93624fe60e088961cb0b6eea8e2e4b28f9071594839b8dc2f0b7a37c7918c66946cb234b9ceb38d64fc4b6935fbb380bbbfea4c431c",
    "signer": "0x1B7594799b4E189Ff1B3C4fD8289B2e8d82B000b",
    "userId": "66769284"
  }
}