{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "244500",
    "entityType": "User",
    "nonce": "0x63f7150bbcc39ace54e59d2bd705dffcf3a45e581a5dec533aa54b7dd9556718",
    "signature": "0xbe67cea162c363c613b042ac1042cf1a45ad5f9fc425b8c366d901664d901fc26f93f39228b49d50213f21c640b0ba8deea400cd0c4c9c75a1e5aba2d34dcd0e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}