{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "266305231",
    "entityType": "User",
    "nonce": "0x9d22f43aebca8987fa2132f11f6b62dc6129d69ecb0cae4b57651c84b5c7144f",
    "signature": "0x37e6299c1b8d97c1a8d50aa2fcb608de37263accf4fa2445fa49bd0f1786c4367304373bf9aff212ed0ca1c313cf543749284090d8fc524e31d1fc7d251305df1b",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}