{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x9fe2b4d52e842f3c40f07165cb49a8312550893d21a3c941f12534170804271f",
    "signature": "0xee51536e9c496095c9e7d8484cf28b5b0ad9c0bbd5ce77701cb6d3d8dcfcfc532962f7887a20b82d9ef758d378313072c63cfdbc04497ff7a73ff0660b33f57c1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}