{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x4b76e50b00b0fb6cc38a351af0e2813be652f61eca3dc4eaed2e72197db60f8a",
    "signature": "0xe0ffd10a4873efcc28cd6dbad73ffb99bc05a47a793bae849d247a68505077b628e805904cbc1dca03f7869e3b7e95a893e2b7e449c823ef0bf276c0e2c0f25e1b",
    "signer": "0x2d956609Cbe7D7e504Bd6319d4abC4E35de2dcF3",
    "userId": "663406710"
  }
}