{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xa492dd403cb2764659d6c95c3dfde20b045d529d8fa2baa8cc75aa68a9fc50a0",
    "signature": "0xe8341c114de44cd98dad1d18690e247b0e34dc719714022819275f215ff589b717766de04801dbdda1379aa07fd1dd237b189d95c4065dc5e10f9f41ee227d321b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}