{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120087188",
    "entityType": "User",
    "nonce": "0xc7724656d94ed118942403d68cd5a62ad72bbf4a101c782a1292e44770c2dd37",
    "signature": "0x7bd76432703b6273a7104ef423b1db267647c4b9d8b7dbc342a9474683c942a76be51c4c66bf635ec4e574a2e218d76273c21e1b7dc9e7e9e7fdd20ab5a7ba9a1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}