{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381737",
    "entityType": "User",
    "nonce": "0x20ac55289aaa3d18dbab0d3d398395c9d4b23e5f92d856affd657bc44871fc9f",
    "signature": "0xb79af581ae8404daaf09c2d18aefa86f8b8c5c8a4efa0f4f2b05d9c9bd7ea8be20205f932ee836abe9922941df52ccb90579fedb7804e396cfcb3d6afa50988d1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}