{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89555",
    "entityType": "User",
    "nonce": "0x2130280b0aa326e32022490d815fb5c430a30c8628f344cc6dc132d211547ae4",
    "signature": "0xb18e693a310280e345233a33458d6e523cda50178726de5f7207f859c487ded44f810219780b6016cbf26c2dbdfe2d1d053ea6cfa4f06d74cdd8eb97df1642fe1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}