{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2029295",
    "entityType": "User",
    "nonce": "0xd0bef5fc4f9e59274aede1704bfef5ffeefb699a9ed7ab2897e0b2f2f06a5e41",
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    "signer": "0xE3920462F8288c694f8B3f54e21f6bCA9942BEDe",
    "userId": "255433570"
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}