{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2040",
    "entityType": "User",
    "nonce": "0xeb9a70840e43055b82c1555423d65d3aea41ee8f23374efc371818421b6f4e91",
    "signature": "0x241ff6d9afd29a577bad4f97d75df08cdadff041bb1782a0f6a20ac1859d74fe256469f5733ae94e0e373a3987721cec89a64ae8cced06e1186fe330ff795a9b1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}