{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1120",
    "entityType": "User",
    "nonce": "0x14a672be251f8bcf297188d80c893e5144e1946195e8d13668391d8cafbaa1b2",
    "signature": "0x7cb3ae8a6332a1dd0e55f1c9e56101afb9258e66082fbccb6c14cad3e6fc189c2e937802f524328b4064628b5fa26bd457732ccefd4360d1cdb7b0f5ee0f0d9a1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}