{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954705651",
    "entityType": "User",
    "nonce": "0xbabc7da81c848b2b91b9e431f1e49194cda3633a0e4ae0e05cbb324f81651d99",
    "signature": "0x126dc61aeb24b3febc4265d76cb8cad4728e2ec384f0f153166f93d7c1a439eb3d29d3d414e5b682b93424268264b9b875a2c2abb85943b12083fbf3f03300881c",
    "signer": "0x7662cb86A5Ab2f46DF58d87368873d0f07FbC1Ca",
    "userId": "875856435"
  }
}