{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61741",
    "entityType": "User",
    "nonce": "0x1f00d2fae32b131c573b1367daa184d575a68a0235d136e2cff8a81f7c507fe1",
    "signature": "0x9314ae1230dc4280704eff942910e1d8cfdc8b87eb7ba010b7aaee479a4e212d49158f56f9440e2416309e1c4b37cff7fd67890239516fdb83672c42add73fa01c",
    "signer": "0x7567A14af6a5B7B31cE0066fA463F47788aAc735",
    "userId": "963451751"
  }
}