{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "359853",
    "entityType": "User",
    "nonce": "0x11240bdb85db966068e1b3159ea8472db0d2e736b9364eb1f351038cb2bd3742",
    "signature": "0x916f8834da3703621cfbd28b5bc9d71720b2a2df2211bbdc9b8980541f7a6b741f30699c2e126939b57a42b9e3209dbc9701cf3d1fd1c7a558794a187a274a731c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}