{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd36bd8b3dcd0585a249887f780be257297cced0f879612ca4b20d566992a3b78",
    "signature": "0xc135bc9e26967b6300f71775372efd239be84235a777ab04fc3e1952266e47fe232180545e4d83c4008574dcd80524250713352a1f891545e1e224d0556491c51c",
    "signer": "0x1470A6BA5FC33720594092A39863a8efa306D07a",
    "userId": "968378094"
  }
}