{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0x503ef7c873820f28cfb2f91c031f1789d1b5eacd45e75b5cbda26af418c65a2e",
    "signature": "0xa0ebbd3d7acd57d80e3798f7ddeed78debb4f32106578571c2c7bcc65da30e7046ce84e4b7f250ecd631cce7c1aa9861dd48324ff3872c878e5735bff93779241c",
    "signer": "0x385724dD7df996433e732c73201a749C6B37f65A",
    "userId": "260480467"
  }
}