{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "820738042",
    "entityType": "User",
    "nonce": "0x1048e5dd89b0c3548282f58a354c6c5cee466f90c16d9c7261dd0d59d3208b68",
    "signature": "0x46122d0b27d9329e6b67da03dad77bc91190dfa492d6d0e8c18b5e514421fae0471f64a3656e4564dd291e804c1b096b5fccd9a2895b8ea3da183798b22224871b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}