{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40758",
    "entityType": "User",
    "nonce": "0x354d992be16b50cf2b057fa964d6d750825e683396770cbfe6bdc02d62a0f690",
    "signature": "0xb632bbc8a17286c87a1b13fb2a0d81f29c7b745ef5e65589eecb016fd794eed9343e7b165ec351a6d0d820346bd8c4ff71c624e9f202139d4bd15aad6bde727b1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}