{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146791",
    "entityType": "User",
    "nonce": "0x3fd6f1f08840f97204066e96147ea9534dff5d350e2366fc3e077ad6e8fa6522",
    "signature": "0x944145aebfe7c8a803e4f47a2c5a19301db9b2e1a09ea0a38ea0008abea73a9425aae531ad7591d892bdc388a530981b290db9401d73ae54e66120b44fa25f771b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}