{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211895",
    "entityType": "User",
    "nonce": "0x1a55640604a4508182e921f624ae4e3840136a334be38742a23659d7cfe8d496",
    "signature": "0x81fd42698985ae111e3a7b27a5663f53cea51f0764bf332668d1fcf651d6a9f04bdb27d7f325ecfaa4c1e63d1b0310ba39efcfe5a7ba42bf1bb9c2391cf0192b1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}