{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109055",
    "entityType": "User",
    "nonce": "0x8013440a8e4f129f436406c6910948bd236a42c1f1a61932ec28e66f675bbfcb",
    "signature": "0x59d0e341b25826aa168ac7839c85e836d98bde5cac6a9dd3ef884d3bdf48e3b958531aa520f03361afd88ffefe5e69a93258a42a236c7c499e12c4f954f492381c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}