{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "786263420",
    "entityType": "User",
    "nonce": "0xd901ff1591e66e47aba2b9e28010f5b91660d2db44bbb3ca0f29fe25e1a126d3",
    "signature": "0x0398208955f9a9d981ae1cbd42a76ec2676f196e967b2fcda483296762219d9e056f8c1873c5a248c3f6fe9c69c9e6bc09699489a519f0afc8a50f6109119e471c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}