{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "526625376",
    "entityType": "User",
    "nonce": "0x3a6d7e6ccbec58236c0be495fa4348b889f352a1448f0cecff57b1c802a27fe1",
    "signature": "0x9c0b469bdf459e701dc72528c01bad88bf2b1a687c2ca300daa617610620ec5832f9d85a12d9db13f2a04575aed09578a7d394c4fcdaf7ddb565f1051de96f061b",
    "signer": "0x576A34a425402d3cDc8e144F4Bf569CCc6e2dd90",
    "userId": "366455603"
  }
}