{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67912",
    "entityType": "User",
    "nonce": "0x3bb241fb2b4a9a30302ba6f3814468c180694cb4ca7b1ca3388af51119cb7fc2",
    "signature": "0x86c4905a40be940a8e14fd40f163d2360ead4e92e6d77cb8d2042a295cd2c77971d8d519def3f9a540c5a6d29049576ef24c4c1d074acbccf7414b922f15c99a1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}