{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcc744385590ae856f26da9eefd660cab37edf111a47d56ff319f69d5bce8a34c",
    "signature": "0x5979abc5970a3219a1bcf36310cbc396b68bfecef9d390001f42033093de2802470bdba6ded2d3c3e64d9effdd11627a613c39afa8f877382e92b47353c148951c",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}