{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "289632107",
    "entityType": "User",
    "nonce": "0x4d85510d190db4769cea76b6fc0cda825fc5f86020fef1a18cbb4d68d44512be",
    "signature": "0xd92d0177db7af52fbe761def9ea2d87d8fe51c5df213398e3d05e3f1af8f23720307757a9fb2ef54d6db6fed790d8aff57075448024acc3499153043225b2df71c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}