{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10435",
    "entityType": "User",
    "nonce": "0x86b0f660a650cae88ef167d89a1ded4b567b60aec64d4feb5884f7906c0a996a",
    "signature": "0x775eb51ba65b0aea571ee9acd08083f332f88d49ad53cb2982474085ecc84ba4547895ca1168a3c937e33ff89a63daf87cdd40be0903a688595a810dc0ab04fc1c",
    "signer": "0xD07A680d4F48bA7Cc076c23f40870AccBbad1987",
    "userId": "16411799"
  }
}